Siemens SIMATIC TIWAY 1 Instrukcja Użytkownika Strona 13

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TIWAY 1 Overview
1-2
TIWAY 1 TI505 NIM User Manual
1.1 TIWAY I OPTIONS
TIWAY
I network products provide a number of options.
TIWA
Y I networks can be configured for short distances or a long distances.
Redundant or single media transmission is available.
Baud rates from 1
10 baud to 1
15.2K baud are available.
TIWAY I devices can operate with modems in either full or half duplex mode,
synchronously
or asynchronously
.
Both NRZ and NRZI data encoding are available.
1.2 SYSTEM BLOCK DIAGRAM
Figure 1Figure 1 illustrates the basic system block diagram of a TIWAY I Network.
System
components include:
Host System Interfaces (including Host Adapters, Gateways, and Network
Control
Modules)
Siemens Programmable Controller Network Interface Modules (NIMs)
UNILINK Secondary
Adapters for interfacing non-Siemens products to
the
TIW
A
Y I Network
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